Official Ministry of Finance data reveals Japan spent a single-day record 7.98 trillion yen on July 30 as part of a three-day, 15.4 trillion yen intervention campaign to rescue the currency from a 39-year low.

TOKYO: Japan bought a record 7.98 trillion yen (US$50.4 billion) on July 30 to support its currency in the foreign exchange market, according to data released Monday by the Finance Ministry, Kyodo News reported.

The amount marked the biggest single-day yen-buying intervention.

Japan bought a total of 15.4 trillion yen (US$97.2 billion) in interventions to prop up the Japanese currency against the US dollar on July 30, 31 and Aug 3, data on foreign exchange intervention operations in the July-September quarter showed.